Sonography certification through ARRT covers a wide scope of practice with just one exam. We offer eligibility pathways for practicing sonographers as well as for recent graduates of educational programs. Developed by practicing sonographers, educators, ultrasound physicians, and physicists, the ARRT's 400-question exam is designed to be clear and complete. It covers the sonography curriculum approved by the Joint Review Committee on Education in Diagnostic Medical Sonography, and it spans a spectrum of procedures.